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3 – Tab

Lasts 15 – 18 years

Typical replacement cost of $1.50 – $2.00 per sq ft

Architectural

Lasts 24 – 30 years

Typical replacement cost of $2.25 – $3.00 per sq ft

Each layer of the shingle offers a different form of protection. The top granular layer offers protection against UV rays which will degrade the layer below it the asphalt layer. Asphalt cannot hold up to UV rays. Once the granular layer gets depleted, the rest of the shingle begins to deteriorate at a faster rate causing curling at the corners, then eventually failure.